.infoBox{
  background-color:#f3fbfd;
  .size-mask{
    position: fixed;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 51;
    display: none;
    .size-box{
      background: #fff;
      position: absolute;
      left: 0;
      bottom: 0;
    }
  }
}
